“John,” Sherlock says pointing to a child’s toy near the victim’s foot, “what’s that?” “It’s a Lego,” John replies, “why?” “Are they all that small?” Sherlock asks. “Yes, well, yes and no, there’s a bigger version for toddlers called Duplo, but Legos are all relatively that small, see?” John says pointing at a handful on the victim’s coffee table. “And you use them for…?” Sherlock asks. “Building,” John smiles & buys Sherlock a tub of Legos on the way home from the crime scene. He loves them.